Exedy HCF512 OEM Replacement Flywheel for 2002-2011 Honda Civic Si

Vehicle Fitment

• 2002-2006 Acura RSX Type-S (DC5, 2.0L I4 K20A2/K20Z1, FWD)
• 2006-2011 Honda Civic Si (FA5/FG2, 2.0L I4 K20Z3, FWD)

Fitment Notes

• Fits K-Series performance applications utilizing the factory-style flywheel configuration.
• Designed as a direct OEM-style replacement flywheel.
• Compatible with OEM and OEM-replacement clutch kits.
• Not intended as a lightweight racing flywheel.
• Verify clutch and transmission compatibility before installation.

Features

• Genuine Exedy OEM replacement flywheel.
• Manufactured to OE specifications for fit and function.
• Hardened steel construction for long service life.
• Precision-machined friction surface.
• Maintains factory drivability characteristics.
• Resurfaceable design for future clutch servicing.
• Direct-fit replacement for supported applications.
• Engineered for proper balance and rotational stability.
• Suitable for daily-driven and mild performance vehicles.

Specifications

• Brand: Exedy
• Part Number: HCF512
• Product Type: OEM Replacement Flywheel
• Material: Hardened Steel
• Disc Diameter: 8.5 in. (215.9 mm)
• Spline Compatibility: 24 Spline Clutch Applications
• Drivetrain: FWD
• Position: Engine Crankshaft / Clutch Flywheel

Included Components

• 1x Exedy HCF512 OEM Replacement Flywheel

Product Description

The Exedy HCF512 OEM Replacement Flywheel is engineered for select Honda and Acura K-Series performance applications, including the Acura RSX Type-S and Honda Civic Si. Built to meet OEM specifications, this flywheel restores proper clutch engagement and drivetrain operation while maintaining the smooth drivability characteristics intended by the manufacturer.

Constructed from hardened steel and precision machined to exact tolerances, the HCF512 provides a durable friction surface capable of handling daily driving and spirited performance use. Unlike lightweight racing flywheels that can alter engine response and drivability, this OEM-style unit preserves factory-like operation while supporting reliable clutch performance.

Ideal for clutch replacement projects, the Exedy HCF512 is designed to work with OEM and OEM-equivalent clutch assemblies. Professional installation is recommended, and the flywheel should always be inspected and matched to the intended clutch system prior to installation.